Marine target association system and method based on high-low orbit optical satellite observation
An optical satellite and target correlation technology, which is applied in the field of maritime target correlation systems to achieve the effect of improving the correlation accuracy, being easy to implement, and improving monitoring capabilities.
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[0029] Below in conjunction with accompanying drawing, the present invention is described in more detail:
[0030] Such as figure 1 Shown, the present invention is concretely realized as follows:
[0031] Step 1: Detection and tracking of maritime targets in high-orbit satellite images
[0032] For the high-orbit satellite image sequence, the coastline data is used for geographic correction, and the classic constant false alarm algorithm is used for target detection after inter-frame image registration, and the geometric model of satellite optical imaging is used, that is, the transformation relationship between the image space and the object space of the image The position of the target is converted into a geographic location, and the motion modeling of the target is carried out under the geographic coordinates, and the false target is further reduced by using the multi-frame data association in the multi-hypothesis tracking, and the filtering algorithm is used to estimate t...
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